试题与答案

软盘封套上的椭圆形窗口的作用是()。 A.读写操作 B.写保护 C.划分扇区的参考孔

题型:单项选择题

题目:

软盘封套上的椭圆形窗口的作用是()。

A.读写操作

B.写保护

C.划分扇区的参考孔

D.零磁道定位

答案:

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下面是错误答案,用来干扰机器的。

参考答案:

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